Glass working apparatus



May 12, 1942.

D.-E. GRAY EI'AL GLASS WORKING APPARATUS Original F'iled Aug. 12, '1938 3 Sheets-Sheet 1 INVENTORS. Dnvm E. Gzem' snnnsn, h. Panw BY WRLTER C. wsaslz May 12, 1942. D, EQGRAY EAL 2,283,055

I GLASS WORKING APPARATUS I Original Filed Aug. 12, 1938 3 Sheets-Sheet 2 munmul HI i I INVENTORS. DA v10 GRAY LEANDER IV. Pony hnu'zra C. H5552 May 12, 1942.

D, E. GRAY ET AL GLASS WORKING APPARATUS Original Filed Aug. 12, 1938 3 Sheets-Sheet 5 TEY '' eratingthe complementary parts Patented May12,

UNITED- 1 STATES PATENT amass OFFICE crass womrmc arrsna'rus" David E. Gray and Leander N. Pond, (iorning, N. Y., and Walter C. Weber, West Hartford,- Conn.-, assignors to Corning Glass Works, Corning, N. Y a corporation of New Y ork Original application August 12, 1938, Serial no.

225628. Divided and this application Decemberll, 1939, Serial Nit-308,708

(0149-43 $1 the sector gear. Rotary movement ofplatform' The present invention relates to glass working apparatus and particularly to a mold operating method and apparatus suitable for use in the production of bottles, light bulbs, tumblers, lamp chimneys and similar hollow. glass articles, and

constitutes a division of co-pending Gray et al.

application Serial Number 224,628, filed August 12, 1938. i One object of the present invention isan improved form of mold operating mechanism.

Another object is an improved method of opmold assembly.

In the drawings: Fig. 1 is a side elevational view of a portion of a machine embodying the present invention; Fig. 2 shows the upper left end portion of the P r ill-Section; I r

Fig. 3is a plan view 'of a mold support embodying the invention and its pneumatic power pera n n Fig. 4 is an end elevation of' Fig. 3; and

Fig. 5 is a sectional view taken on line 5-5 of y The embodiment of the present inventionas illustrated by Figs. 1 to 5, inclusive, in general, comprises a mold operating assembly adapted to close complementary mold parts about a parison of glass. It is sometimes desirable to make ware, such as containers for example, with'slight- 'lv concave exterior-bottom=surfaces. When such of a divided 22' and its mold half 23 in synchronism with the movement of platform It is eiiected by a rack t This rack is carried by an-arm 20, connected in fixed relation to plat- 25 lamb with gear 24.

half is arranged to move downwardly and laterally,the article can be made to have a concave bottom surface without interfering with the apparatus of Fig. 1 on an enlarged scale and 7 opening movement of the respective mold halves. whatisclaimedisz; v 1. In a glass working apparatus a mold opening and closing mechanism including an inclined track, a drive rod arranged for movement in a path parallel to said track, a mold part support risidlyflaedtosaidrodandrestine onsaidtrack, a pinarranged in fixed relation to said track, a

-- g5 sector gear pivoted thereon, a second mold part support dried to said sector gear-,and a rack arranged in fixed relation to said drive rod and having its teeth in mesh with teeth of saidsector 2; In-a glass working apparatus, supports for the respective halves ofadivi'ded mold assembly iorm of ware'is to be made, divided molds which in mind, the present mold operating assembly has been so designed that each mold proper comprises two halves, .one of which remains in open laterally cannotbe used. with this fact a vertical position, .but has a sliding movement in a downward and lateral direction when being moved away'from theflnished ware,. while theother half rotates about a fixed axis away from f the ware. Specifically, each assembly comprises -a support I! having a pair of arms I! provided with inclined fixed tracks II for rollers M car-1 rying a platform I! for the mold half I which has thesliding movement. The platform II is directly connected to the end of a drive rod'l 'l of a pneumatic'power unit ll'which isarranged parallel to tracks It and it will therefore be evident that the platform is rolled up and down its tracks as air is supplied alternately to the lower and upper ends'of a :associated power cylinder II of this unit. Thesarms I! at their free ends arranged in the samehorizontal plane when.in

position-to hold mold haves supported thereby in cooperative reiation,Ian inclined track having one of said supports associated with it located at its high end when they are in a positionto hold "the'mold halves closed, means for moving the support associated with said track back and forth thereover, a pin carrying a gear ior swinging the other of said supports into; and out of 'cooperative relation with the support associated with said track, anda rack associated with said means arranged in mesh with saidgear.

3. In a glass working apparatus, means for at supporting a plurality of mold sections in coop-r are drilled to'receive'a transverse pin it which carries a platform :2 for the mold has: it having ,arotary.movement. A sector gear at for transmitting; rotary motion to platform 22 is also car? riedby-pin'll andarranged-inflsed relationto erative relation to one another to 10m a mold cavitypmeans for moving one of said sections in a straight line. downwardly and laterally away" from the axial centerof such mold cavity inthe opening operation, and interconnecting means actuated by the movement of -saidmoldsection for moving another of said mu s;- about -a located below and in alignment center of said moldcavityrf 5 11mm. 01mm withthe since the one moldj 

